Phyrexia: All Will Be One Draft Booster has variants:
Explore this pack in Sealed.

Sheets

Sheet basic

At rate 3/20 (15.0%)
At rate 1/20 (5.0%)

Sheet common_with_showcase (color balanced)

At rate 1/101 (0.99%)
At rate 2/303 (0.66%)
At rate 1/303 (0.33%)

Sheet uncommon_with_showcase

At rate 1/80 (1.25%)
At rate 1/120 (0.83%)
At rate 1/240 (0.42%)

Sheet rare_mythic_with_showcase

At rate 1/70 (1.43%)
At rate 1/105 (0.95%)
At rate 1/140 (0.71%)
At rate 1/210 (0.48%)
At rate 1/420 (0.24%)
At rate 1/840 (0.12%)
At rate 1/1260 (0.08%)

Sheet foil

At rate 1/185 (0.54%)
At rate 2/555 (0.36%)
At rate 1/320 (0.31%)
At rate 59/28000 (0.21%)
At rate 1/480 (0.21%)
At rate 1/555 (0.18%)
At rate 59/42000 (0.14%)
At rate 59/56000 (0.11%)
At rate 1/960 (0.1%)
At rate 59/84000 (0.07%)
At rate 1/2000 (0.05%)
At rate 59/168000 (0.04%)
At rate 59/336000 (0.02%)
At rate 59/504000 (0.01%)

Sheet prototype_praetor

At rate 1/5 (20.0%)